zod_schema_validation_quickstart_with_parse_and_safeParse.ts

1import { z } from "zod";
2
3// creating a schema for strings
4const mySchema = z.string();
5
6// parsing
7mySchema.parse("tuna"); // => "tuna"
8mySchema.parse(12); // throws ZodError
9
10// "safe" parsing (doesn't throw error if validation fails)
11mySchema.safeParse("tuna"); // => { success: true; data: "tuna" }
12mySchema.safeParse(12); // => { success: false; error: ZodError }
13
14// --- FORM-LIKE OBJECT VALIDATION ---
15
16const User = z.object({
17  username: z.string(),
18});
19
20User.parse({ username: "Ludwig" });
21
22// extract the inferred type
23type User = z.infer<typeof User>;
24// { username: string }